Power Management IC For GSM Mobile Phone

MB3891 is intended to be used in future GSM-phones, Dual Band phones and Dual Mode phones. It contains all the necessary functions to support all Digital, Analog and RF blocks in these phones. A Charge-pump including a Logic Level Translation circuit is built in to support SIM-card (SmartCard) of both 3 and 5 Volt technology. The circuit contains a charger for a rechargeable Lithium coin cell of a Real Time Clock A complex control circuit is built in to generate main reset and to turn on and off the different LDOs By Fujitsu Microelectronics, Inc.
MB3891 's PackagesMB3891 's pdf datasheet

MB3891 Pinout, Pinouts
MB3891 pinout,Pin out
This is one package pinout of MB3891,If you need more pinouts please download MB3891's pdf datasheet.

MB3891 Application circuits
MB3891 circuits
This is one application circuit of MB3891,If you need more circuits,please download MB3891's pdf datasheet.

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